High severity7.8NVD Advisory· Published Jul 14, 2026· Updated Jul 23, 2026

CVE-2026-58537

Description

Use after free in Microsoft NAT Helper Components (ipnathlp.dll) allows an authorized attacker to elevate privileges locally.

Microsoft/NAT Helper Componentsllm-create
Microsoft/Windows 11 24h2
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
Range: <10.0.26100.8875
Microsoft/Windows 11 25h2
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*
Range: <10.0.26200.8875
Microsoft/Windows 11 26h1
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:*:*
Range: <10.0.28000.2525
Microsoft/Windows Server 2025
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Range: <10.0.26100.33158

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